2006 bmw 650i battery drain

Asked by Guru265M Feb 12, 2022 at 04:12 AM about the BMW 6 Series

Question type: General

I was told by BMW that my CCC Unit was draining my battery. I replace the
CCC unit but that did not fix the issue. I don't have the guide for my vehicle
and need to know where all of the fuse boxes are located along with a
diagram. My alarm system goes off randomly so I wish to start there. I have
several batteries that I have charged up to use as a backup. Does anyone
out there have any ideas about some common reasons for this error

4 Answers

2,920

an alarm system going on and off would be the first place I would look and most likely causing your draw. The fuses are located behind the glove box. there is a panel in the back that you can open to reveal the fuses.

1 people found this helpful.

Awesome response, I will check behind the glove box and look for that fuse. Once I remove the fuse I will drive the car and see if that is my problem. Quick question, have you ever used a multimeter before? How does that work, and what part of the fuse box do I place the positive and negative probe. "I have never used this tool before." Do I take out the fuse and stick the probes in its place? I hope that this makes sense to you.

2,920

With the fuses exposed, Clip the negative cable of the multimeter to a good ground with no paint, usually a bolt head works, then with the positive cable, probe the two metal sections of the top of each fuse on either side. You should read 12V on each side, then the fuse is good, 12V on one side, the fuse is blown. You can also remove each fuse with the fuse puller that is usually on top of the fuse panel and inspect them visually.

2,080

Get a good repair manual before you damage the electrical system.

1 people found this helpful.

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